supply of drop out time delay relay , drop out time delay relay for anti-skid true off delay, control supply voltage 110-240v ac/d c, place of installation s1 k05, for lhb wsp system as per rdso common bill of material (bom) letter no. e l/7.1.108/mssbc dated 17.09.2021, annexure column no.1, sr. no. 17, conforming to column no. 7. make : as per rdso common bill of material (bom) dated 17/9/2021 i.e. abb cat no. ct-ars.11s, siemens cat no. 3rp25401aw30, carlo gavazzi cat no. dbb02cm24, schneider cat no. re22r2kmr, l&t cat no. 23gdt 0, dold cat no. mk7873n, phoenix cat no. etd-bl-1t-230-pt and luetze. [ warranty period: 30 months after the date of delivery ] ]